spi: gpio: Drop unused pdata copy in struct spi_gpio

Drop unused pdata copy in struct spi_gpio. No functional change
intended.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: Chris Healy <cphealy@gmail.com>
Cc: linux-spi@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>

drivers/spi/spi-gpio.c

@@ -42,7 +42,6 @@
 
 struct spi_gpio {
 	struct spi_bitbang		bitbang;
-	struct spi_gpio_platform_data	pdata;
 	struct platform_device		*pdev;
 	struct gpio_desc		*sck;
 	struct gpio_desc		*miso;
@@ -415,8 +414,6 @@ static int spi_gpio_probe(struct platform_device *pdev)
 	spi_gpio->has_cs = !!pdata->num_chipselect;
 
 	spi_gpio->pdev = pdev;
-	if (pdata)
-		spi_gpio->pdata = *pdata;
 
 	status = spi_gpio_request(dev, spi_gpio,
 				  pdata->num_chipselect, &master_flags);